Infiniti QX56 (Z62). Manual - part 419

 

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Infiniti QX56 (Z62). Manual - part 419

 

 

DLK-142

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR OPENER SWITCH

3.

CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR OPENER SWITCH

Refer to 

DLK-142, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door opener switch assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000006225957

1.

CHECK BACK DOOR OPENER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check continuity between back door opener switch assembly terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace back door opener switch assembly.

Back door opener switch assembly

Ground

Continuity 

Connector

Terminal

D154

2

Existed

Back door opener switch assembly

Condition

Continuity 

Terminal 

1

2

Back door opener 
switch

Pressed

Existed

Released

Not existed

INTELLIGENT KEY WARNING BUZZER

DLK-143

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INTELLIGENT KEY WARNING BUZZER

Component Function Check

INFOID:0000000006225958

1.

CHECK FUNCTION

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.

2.

Select “OUTSIDE BUZZER” in “ACTIVE TEST” mode.

3.

Touch “On” or “Off” to check that it works normally.

Is the inspection result normal?

YES

>> Intelligent Key warning buzzer is OK.

NO

>> Refer to 

DLK-143, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225959

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 10 A fuse, [No. 6, located in fuse block (J/B)].

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT

1.

Disconnect Intelligent Key warning buzzer connector.

2.

Check voltage between Intelligent Key warning buzzer harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and Intelligent Key warning buzzer harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTELLIGENT KEY WARNING BUZZER

Refer to 

DLK-144, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Replace Intelligent Key warning buzzer.

(+)

(–)

Voltage

(Approx.)

Intelligent Key warning buzzer

Connector

Terminal

E25

1

Ground

Battery voltage

BCM

Intelligent Key warning buzzer

Continuity 

Connector

Terminal

Connector

Terminal

M71

93

E25

3

Existed

BCM

Ground

Continuity 

Connector

Terminal

M71

93

Not existed

DLK-144

< DTC/CIRCUIT DIAGNOSIS >

INTELLIGENT KEY WARNING BUZZER

Component Inspection

INFOID:0000000006225960

1.

CHECK INTELLIGENT KEY WARNING BUZZER

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key warning buzzer connector.

3.

Connect battery power supply directly to Intelligent Key warning buzzer terminals and check the opera-
tion.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace Intelligent Key warning buzzer.

Intelligent Key warning buzzer

Operation

Terminal

(+)

(

)

1

3

Buzzer sounds

INTELLIGENT KEY

DLK-145

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INTELLIGENT KEY

Component Function Check

INFOID:0000000006225961

1.

CHECK FUNCTION

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.

2.

Select “RKE OPE COUN1” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Intelligent Key is OK.

NO

>> Refer to 

DLK-145, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225962

1.

CHECK INTELLIGENT KEY BATTERY

Check by connecting a resistance (approximately 300

) so that the

current value becomes about 10 mA. Refer to 

DLK-260, "Removal

and Installation"

.

Is the measurement value within the specification?

YES

>> Replace Intelligent Key. 

NO

>> Replace Intelligent Key battery.

Monitor item

Condition

RKE OPE COUN1

Check that the numerical value is changing while operating on the Intelligent Key.

Standard

: Approx. 2.5 - 3.0V

OCC0607D

 

 

 

 

 

 

 

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